Atoms Flashcards
1
Q
What are all substances made of?
A
Atoms
2
Q
What is an element?
A
A substance made up of only one type of atom
3
Q
What is a compound?
A
A substance made up of two or more types of atoms which are chemically joined together
4
Q
What is a molecule?
A
A group of two or more atoms chemically joined together
5
Q
What does the chemical formula show?
A
The number of atoms of each element in the substance
6
Q
What is conservation of mass?
A
The total number of atoms in the product and reactants stay the same. No mass is lost.
